cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A218556 Numbers with d distinct decimal digits (d=1,...,10) such that for each k=1,...,d, some digit occurs exactly k times.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 9
11 100
12 101
13 110
14 112
15 113
16 114
17 115
18 116
19 117
20 118
21 119
22 121
23 122
24 131
25 133
26 141
27 144
28 151
29 155
30 161
31 166
32 171
33 177
34 181
35 188
36 191
37 199
38 200
39 202
40 211
41 212
42 220
43 221
44 223
45 224
46 225
47 226
48 227
49 228
50 229
51 232
52 233
53 242
54 244
55 252
56 255
57 262
58 266
59 272
60 277
61 282
62 288
63 292
64 299
65 300
66 303
67 311
68 313
69 322
70 323
71 330

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 100, 101, 110, 112, 113, 114, 115, 116, 117, 118, 119, 121, 122, 131, 133, 141, 144, 151, 155, 161, 166, 171, 177, 181, 188, 191, 199, 200, 202, 211, 212, 220, 221, 223, 224, 225, 226, 227, 228, 229, 232, 233, 242, 244, 252, 255, 262, 266, 272, 277, 282, 288, 292, 299, 300, 303, 311, 313, 322, 323, 330]